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2026-06-03 - 09:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Wed Jun 03, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19700214181,7sleep30-21swapper/319:09:413
196772121112,6sleep20-21swapper/219:09:242
196212115106,6sleep10-21swapper/119:08:391
194782110100,7sleep00-21swapper/019:06:500
306402630,0sleep30-21swapper/322:20:183
7722620,0sleep30-21swapper/322:50:193
255732600,0sleep30-21swapper/322:45:173
139592600,1sleep120-21rcuc/123:05:141
70652560,0sleep30-21swapper/319:30:193
229332550,0sleep10-21swapper/100:10:181
202602550,0sleep30-21swapper/322:40:183
100022550,0sleep00-21swapper/000:25:190
1989999280,27cyclictest0-21swapper/200:00:132
19899992623,3cyclictest0-21swapper/221:49:482
1989999260,25cyclictest0-21swapper/220:40:092
1989999250,25cyclictest0-21swapper/223:16:192
19899992417,7cyclictest0-21swapper/223:28:582
1989999236,15cyclictest17166-21/usr/sbin/munin20:45:222
1989999235,17cyclictest10894-21/usr/sbin/munin22:05:142
1989999231,3cyclictest0-21swapper/200:22:462
1989499231,21cyclictest0-21swapper/123:42:221
19890992321,1cyclictest0-21swapper/023:15:100
19899992221,1cyclictest0-21swapper/200:25:312
1989999221,3cyclictest0-21swapper/220:26:272
1989999220,5cyclictest0-21swapper/222:03:142
1989999220,21cyclictest0-21swapper/223:33:192
1989999220,21cyclictest0-21swapper/220:39:172
1989999220,21cyclictest0-21swapper/220:09:502
1989999220,21cyclictest0-21swapper/219:41:252
1989499221,3cyclictest0-21swapper/119:17:551
1989499220,21cyclictest0-21swapper/122:59:561
1989499220,21cyclictest0-21swapper/121:50:091
1989499220,21cyclictest0-21swapper/121:30:181
1989499220,21cyclictest0-21swapper/121:18:451
1989499220,21cyclictest0-21swapper/120:21:591
1989499220,21cyclictest0-21swapper/120:13:391
1989499220,21cyclictest0-21swapper/119:43:351
1989499220,21cyclictest0-21swapper/119:36:321
1989499220,21cyclictest0-21swapper/100:37:401
1989499220,21cyclictest0-21swapper/100:06:011
19890992215,5cyclictest10336-21sendmail23:59:590
1989099220,21cyclictest0-21swapper/021:42:570
19899992119,1cyclictest749-21snmpd20:31:052
1989999210,3cyclictest0-21swapper/223:43:462
1989999210,3cyclictest0-21swapper/219:24:172
1989999210,20cyclictest0-21swapper/223:02:122
1989999210,20cyclictest0-21swapper/219:14:432
19894992119,2cyclictest0-21swapper/121:58:181
19894992119,2cyclictest0-21swapper/119:29:471
19894992118,3cyclictest0-21swapper/123:32:011
19894992118,3cyclictest0-21swapper/121:04:091
19894992118,3cyclictest0-21swapper/120:28:511
19894992117,2cyclictest7686-21sadc19:35:011
1989499211,19cyclictest0-21swapper/123:21:011
1989499210,3cyclictest0-21swapper/122:30:001
1989499210,2cyclictest0-21swapper/122:25:151
1989499210,21cyclictest0-21swapper/122:54:361
1989499210,21cyclictest0-21swapper/120:44:201
1989499210,20cyclictest0-21swapper/123:57:311
1989499210,20cyclictest0-21swapper/123:46:431
1989499210,20cyclictest0-21swapper/123:36:221
1989499210,20cyclictest0-21swapper/123:17:521
1989499210,20cyclictest0-21swapper/122:37:481
1989499210,20cyclictest0-21swapper/122:11:121
1989499210,20cyclictest0-21swapper/122:09:301
1989499210,20cyclictest0-21swapper/121:41:331
1989499210,20cyclictest0-21swapper/120:30:111
1989499210,20cyclictest0-21swapper/120:02:471
1989499210,20cyclictest0-21swapper/119:57:121
1989499210,20cyclictest0-21swapper/119:46:181
1989499210,20cyclictest0-21swapper/100:34:461
1989499210,20cyclictest0-21swapper/100:26:461
1989499210,20cyclictest0-21swapper/100:23:431
1989499210,20cyclictest0-21swapper/100:15:041
1989499210,20cyclictest0-21swapper/100:01:221
1989499210,19cyclictest0-21swapper/121:48:261
1989099216,14cyclictest0-21swapper/021:15:250
1989099210,21cyclictest0-21swapper/023:42:160
1989099210,20cyclictest0-21swapper/019:48:590
19899992018,2cyclictest0-21swapper/222:12:452
19899992018,1cyclictest749-21snmpd23:36:012
19899992018,1cyclictest749-21snmpd23:21:062
19899992018,1cyclictest749-21snmpd23:14:492
19899992018,1cyclictest749-21snmpd23:09:012
19899992018,1cyclictest749-21snmpd21:54:082
19899992018,1cyclictest749-21snmpd21:27:262
19899992018,1cyclictest749-21snmpd21:08:212
19899992018,1cyclictest749-21snmpd21:03:202
19899992018,1cyclictest749-21snmpd20:53:392
19899992018,1cyclictest749-21snmpd19:49:332
19899992018,1cyclictest749-21snmpd19:25:532
19899992018,1cyclictest749-21snmpd00:39:432
19899992018,1cyclictest749-21snmpd00:31:522
19899992018,1cyclictest749-21snmpd00:18:012
19899992016,3cyclictest0-21swapper/222:39:422
19899992016,3cyclictest0-21swapper/222:28:032
1989999200,19cyclictest0-21swapper/222:44:172
1989999200,19cyclictest0-21swapper/222:24:512
1989999200,19cyclictest0-21swapper/221:12:262
1989999200,19cyclictest0-21swapper/200:07:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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